: Open the Windows Device Manager to identify the assigned COM port (e.g., COM3). In the CPS software, go to Preferences or Communication and select this port.
Once you have the programming software working, here is how to use it like a professional radio technician. motorola cm340 programming software work
Motorola abandoned this software over a decade ago. You will not find it on their official download portal without a paid subscription that no longer supports legacy gear. You will find it on forums, obscure Russian radio sites, or eBay CDs. The file hash is often modified, and antivirus will scream. Proceed with caution. Contact a Motorola dealer (ask for a one-time